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数据： TPS6242x 2.25-MHz 600-mA and 1000-mA Dual Step-Down Converter in Small 3-mm × 3-mm VSON Package 数据表
TPS6242x器件是同步双路降压DC-DC转换器。它提供两个独立的输出电压轨，由1节锂离子电池或3芯镍氢/镍电池供电。该器件还适用于标准的3.3V或5V电压轨。
TPS6242x的输入电压范围为2.5 V至6 V，非常适合电池供电的便携式应用，如智能手机，PDA和其他便携式设备。
使用EasyScale™串行接口，可在运行期间修改输出电压。因此，它支持低功耗DSP和处理器的动态电压调节。
TPS6242x工作在2.25MHz固定开关频率，并在轻负载电流下进入省电模式，以保持整个负载的高效率当前范围。对于低噪声应用，可以通过将MODE /DATA引脚拉高来强制器件进入固定频率PWM模式。在关断模式下，电流消耗降至1.2μA。该器件允许使用小型电感器和电容器来实现小尺寸解决方案。
TPS6242x可在40°C至85°C的自由空气温度范围内工作。它采用10引脚无引脚封装（3 mm×3 mm VSON）
| Vin (Min) (V) |
| Vin (Max) (V) |
| Vout (Min) (V) |
| Vout (Max) (V) |
| Iout (Max) (A) |
| Regulated Outputs (#) |
| Switching Frequency (Min) (kHz) |
| Switching Frequency (Max) (kHz) |
| Iq (Typ) (mA) |
| Features |
| Control Mode |
| Duty Cycle (Max) (%) |
| Operating Temperature Range (C) |
| Rating |
| Package Group |
| TPS62421 | TPS62400 | TPS62401 | TPS62402 | TPS62403 | TPS62404 | TPS62410 | TPS62420 |
|---|---|---|---|---|---|---|---|
| 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 |
| 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
| 1.2 | 0.6 | 1.1 | 1.2 | 1.1 | 1.2 | 0.6 | 0.6 |
| 1.8 | 6 | 1.575 | 1.8 | 1.575 | 1.9 | 6 | 6 |
| 0.6 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.8 | 0.6 |
| 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| 2000 | 2000 | 2000 | 2000 | 2000 | 2000 | 2000 | 2000 |
| 2500 | 2500 | 2500 | 2500 | 2500 | 2500 | 2500 | 2500 |
| 0.032 | 0.032 | 0.032 | 0.032 | 0.032 | 0.032 | 0.032 | 0.032 |
| Dynamic Voltage Scaling Enable Forced Pulse Width Modulation (FPWM) Mode Light Load Efficiency Synchronous Rectification | Dynamic Voltage Scaling Enable Forced Pulse Width Modulation (FPWM) Mode Light Load Efficiency Synchronous Rectification | Dynamic Voltage Scaling Enable Forced Pulse Width Modulation (FPWM) Mode Light Load Efficiency Synchronous Rectification | Dynamic Voltage Scaling Enable Forced Pulse Width Modulation (FPWM) Mode Light Load Efficiency Synchronous Rectification | Dynamic Voltage Scaling Enable Forced Pulse Width Modulation (FPWM) Mode Light Load Efficiency Synchronous Rectification | Dynamic Voltage Scaling Enable Forced Pulse Width Modulation (FPWM) Mode Light Load Efficiency Synchronous Rectification | Dynamic Voltage Scaling Enable Forced Pulse Width Modulation (FPWM) Mode Light Load Efficiency Synchronous Rectification | Dynamic Voltage Scaling Enable Forced Pulse Width Modulation (FPWM) Mode Light Load Efficiency Synchronous Rectification |
| Voltage Mode | Voltage Mode | Voltage Mode | Voltage Mode | Voltage Mode | Voltage Mode | Voltage Mode | Voltage Mode |
| 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
| -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 |
| Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog |
| VSON | VSON | VSON | VSON | VSON | VSON | VSON | VSON |
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